Nearly half of the universe’s ordinary matter has been hiding — until now. Bursts of radio waves have illuminated the whereabouts of all ordinary matter, revealing its distribution between, around and ...

Now physicists from the University of Washington are taking a big swing at answering that question. All matter exerts gravitational force. The more mass the object has, the greater the force. Yet, a ...

Plasma happens when gas gets heated to a very high temperature and the atoms lose their electrons. Find out more about this state of matter. Science Trek is available to stream on pbs.org and the free ...

One third of the galaxy’s entire stellar output is locked away in just a few dense balls of stars. The rest is just a thin, cold “field” of stars barely clinging to existence. It is, for all intents ...

How do scientists use the states of matter to create new inventions? Scientists care about the state of matter so they can explain why things happen or how to develop new uses. Meet a material ...